6 Oct. 1799–14 May 1842. Lawyer, politician. Born in Connellsville, Fayette Co., Pennsylvania. Son of Adam Snyder and Margaret Hartzel Schaeffer. Moved to Knox Co., Ohio, ca. 1816. Moved to Cahokia, St. Clair Co., Illinois, June 1817, where he helped build and operate a carding machine. Began practicing law, 1820, in Cahokia. Married Adelaide Peray (Perry), 18 Oct. 1820. Prosecuting attorney for First Judicial District of Illinois, 1822–1823. Elected as member of Illinois Senate, 1830, 1832, 1840. Captain in Black Hawk War, 1832. Moved to Belleville, St. Clair Co., 1833. Represented Illinois in U.S. House of Representatives, 1837–1839. Assisted in securing charter for Nauvoo, Hancock Co., Illinois. Nominated as candidate for governor of Illinois, 1841, but died in Belleville before election.